Department of Applied Chemistry, Zakir Hussain College of Engineering and Technology, Aligarh Muslim University, Aligarh-202 002, India Manuscript received 12 June 1998, revised 16 December 1998, accepted 23 March 1999 EDTA volumetric method has been successfully used for the standardization of mancozeb formulation using ammonia buffer (pH 10) and Eriochrome black T as internal indicator.